William J. Krupowicz

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Geneva, IL, US

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Patents Applicationslast 30 patents

Information Patent Application
System and method for refuse collection
- Publication number 20050038572
- Publication date Feb 17, 2005
- Elgin Sweeper
- William J. Krupowicz
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Stripe inhibiting device for surface cleaning heads
- Publication number 20020070290
- Publication date Jun 13, 2002
- William J. Krupowicz
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES